Drive or Fly: Bellingham, WA to Sammamish, WA?

Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.

Driving wins

Medium

No scheduled commercial flights found for BLI–BFI. At 90 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

1h 57m

Distance

90.4 mi

Total Cost

$55

CO2

37 kg

Cost Breakdown

Diesel$20

Hotel (1 room, 0 nights) $0

Meals (1 pax, 1 day) $35

+ No luggage restrictions or TSA lines

+ Comfortable one-day drive

+ Stop anywhere along the route

+ Have your own car at the destination

+ Likely faster door-to-door than flying

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

2h 39m

10m in the air

Air Distance

79 mi

Total Cost

$123

CO2

20 kg

Door-to-Door Timeline

Bellingham, WA → BLI 10m

Check-in & Security 90m

Flight 10m

Arrival & Baggage 30m

BFI → Sammamish, WA 19m

Cost Breakdown

Ticket (1 pax @ $123) $123

Airports

Bellingham, WA BLI — Bellingham International Airport 3 mi, ~10m drive

Sammamish, WA BFI — King County International Airport - Boeing Field 13 mi, ~19m drive

No scheduled flights found

No commercial flights between BLI and BFI. Flight estimates above are theoretical.

+ Less physical fatigue

+ Predictable arrival time

− Airport security and check-in overhead

− No scheduled commercial flights found for this route

− Luggage fees and restrictions

− Less flexibility for stops along the way

Train

Amtrak

Door to Door

3h 38m

2h 30m on rail

Total Cost

$16

CO2

5 kg

Route

Amtrak Thruway Connecting Service

Door-to-Door Timeline

Bellingham, WA → Bellingham Amtrak Station 10m

Boarding 30m

Train ride 150m

Arrival 10m

Seattle → Sammamish, WA 18m

Cost Breakdown

Ticket (1 pax @ $16) $16

Estimated based on distance. Check amtrak.com for current prices.

Stations

From Bellingham Amtrak Station 3 mi, ~10m drive

To Seattle 12 mi, ~18m drive

Service

Direct

Frequency

~2/week

+ Spacious seating with legroom and power outlets

+ Walk around freely during the trip

+ No driving fatigue — relax or work en route

+ Much lower carbon footprint than driving or flying

− Limited schedule — about 2 trips per week

− Amtrak delays can be unpredictable

− Need transportation to/from station

− Less flexibility than driving

Bus

FlixBus

Door to Door

2h 25m

1h 33m on road

Total Cost

CO2

4 kg

Route

FlixBus 2115

Door-to-Door Timeline

Bellingham, WA → Bellingham (WWU - Lincoln Creek Park & Ride) (1BH) 10m

Boarding 15m

Bus ride 93m

Arrival 10m

Seattle (University of Washington) (1UW) → Sammamish, WA 17m

Cost Breakdown

Ticket (1 pax @ $8) $8

Estimated based on distance. Check flixbus.com for current prices.

Stations

From 1BH — Bellingham (WWU - Lincoln Creek Park & Ride) 2 mi, ~10m drive

To 1UW — Seattle (University of Washington) 11 mi, ~17m drive

Service

Direct

Frequency

~14/week

+ Usually the cheapest option

+ Wi-Fi and power outlets on board

+ No driving fatigue — relax or work en route

+ Much lower carbon footprint than driving or flying

− Travel time longer than driving

− Need transportation to/from station

− Less flexibility than driving

At a Glance

	Drive	Fly	Train	Bus
Door-to-door time	1h 57m	2h 39m	3h 38m	2h 25m
Total cost (1 person)	$55	$123	$16	$8
Carbon footprint	37 kg CO₂	20 kg CO₂	5 kg CO₂	4 kg CO₂
Flexibility	High	Low
Luggage	Unlimited	Restricted
Reliability	Weather dependent	Data unavailable

Drive data: OSRM routing, EIA fuel prices

Flight data: Statistical estimate

Airports: OurAirports

Transit: Amtrak GTFS, FlixBus GTFS — fares estimated

Confidence: Medium — airports identified, fares estimated

Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 13, 2026.

Decided to drive? See the full trip plan from Bellingham, WA to Sammamish, WA with stops, fuel costs, and turn-by-turn directions.